Patents by Inventor Charlton J. Waldman

Charlton J. Waldman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Shoe lace fastening system
    Patent number: D650983
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: December 27, 2011
    Inventor: Charlton J. Waldman